york city's katrina. just devastating impacts here. this historic surge, 13 feet. all of that water coming on and those high wind gusts. worst-case scenario did pan out here, unfortunately. >> all right. mark mancuso, from accuweather. thanks for joining us this morning, mark. >>> straight ahead, more of our continuing coverage of sandy. the airlines trying to get back to normalcy. and what the red cross is doing to help out. >>> plus, more incredible video from across the storm zone, including rescues that didn't have to happen. we'll be right back. new pink lemonade 5-hour energy? 5-hour energy supports the avon foundation for women breast cancer crusade. >>> welcome back, everyone. 5 million people take the new york city subways every day. and this morning, the entire system is shut down. seven subway tunnels under the east river are flooded. and the electricity that powers -- runs the system, is turned off to contain the salt water damage. getting the trains up and running again will be a massive undertaking. >> it could be anywhere between 14 hours to 4 days, just to pump the w